SanDisk CompactFlash 5000 Bedienerhandbuch Seite 20

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Publication LOGIX-AP007B-EN-P - January 2007
20 CompactFlash Commands
For example, the tag MYDINTS[100] will be 4 times 100 elements, or 400
bytes of data. Similarly, if a UDT is used, 1 instance of that UDT will be the
sum of the sizes of all the data types within the structure.
The following is a UDT that is the recipe for making waffles.
As you can see, the total size of the recipe is 72 bytes. This means that you
would want to read or write 72 bytes of data to the CompactFlash card. This
would be entered into the Bytes_to_RW element of the CF_File_Structure
UDT.
TIP
When reading or writing to the CompactFlash card, it is
best to use UDT tags. This lets you mix different data types
together and lets you know the number of bytes that will
need to be transferred to and from the card.
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